| 发明名称 |
Continuous isothermal process for preparing mononitrotoluenes in the presence of phosphoric acid |
| 摘要 |
The present invention relates to a continuous isothermal process for preparing mononitrotoluenes in the presence of a mixed acid component comprising mixtures of sulfuric acid and phosphoric acid with concentration of the resultant waste acid and recycling of the concentrated waste acid to the process.
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| 申请公布号 |
US6768032(B2) |
申请公布日期 |
2004.07.27 |
| 申请号 |
US20020114288 |
申请日期 |
2002.04.02 |
| 申请人 |
BAYER CHEMICALS AG |
发明人 |
GOTTA MATTHIAS;DEMUTH RALF;ZIRNGIEBL EBERHARD;WEBER HANS-MARTIN;RONGE GEORG |
| 分类号 |
C07C201/08;C07B61/00;C07C201/06;C07C205/06;(IPC1-7):C07C205/00 |
主分类号 |
C07C201/08 |
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